25192740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{653}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 70757568

約数和(自身を除く): 45564828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 653, 1286, 1306, 1929, 1959, 2572, 2612, 3215, 3265, 3858, 3918, 6430, 6530, 7716, 7836, 9645, 9795, 12860, 13060, 19290, 19590, 38580, 39180, 419879, 839758, 1259637, 1679516, 2099395, 2519274, 4198790, 5038548, 6298185, 8397580, 12596370, 25192740]

約数ペア:

[(1, 25192740), (2, 12596370), (3, 8397580), (4, 6298185), (5, 5038548), (6, 4198790), (10, 2519274), (12, 2099395), (15, 1679516), (20, 1259637), (30, 839758), (60, 419879), (643, 39180), (653, 38580), (1286, 19590), (1306, 19290), (1929, 13060), (1959, 12860), (2572, 9795), (2612, 9645), (3215, 7836), (3265, 7716), (3858, 6530), (3918, 6430)]